2121022233 has 16 divisors (see below), whose sum is σ = 3427915200. Its totient is φ = 1285467840.

The previous prime is 2121022223. The next prime is 2121022249. The reversal of 2121022233 is 3322201212.

It is not a de Polignac number, because 2121022233 - 2¹⁴ = 2121005849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121022223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3570448 + ... + 3571041.

It is an arithmetic number, because the mean of its divisors is an integer number (214244700).

Almost surely, 2^2121022233 is an apocalyptic number.

It is an amenable number.

2121022233 is a deficient number, since it is larger than the sum of its proper divisors (1306892967).

2121022233 is a wasteful number, since it uses less digits than its factorization.

2121022233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141509 (or 7141503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2121022233 is about 46054.5571360750. The cubic root of 2121022233 is about 1284.8381014015.

Adding to 2121022233 its reverse (3322201212), we get a palindrome (5443223445).

The spelling of 2121022233 in words is "two billion, one hundred twenty-one million, twenty-two thousand, two hundred thirty-three".